There are 3,769 bridges in this category · Only showing 1,824 bridges with photos
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Built during 1940s

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Keyser Kill Creek Bridge (Schoharie County, New York)
Built 1940; rehabilitated 1961
Pony truss bridge over Keyser Kill Creek on CR 53
Open to traffic

KFR - Kettle Falls Bridge (Stevens County, Washington)
Built 1941
Cantilevered through truss bridge over Columbia River on Burlington Northern and Santa Fe Railway
Open to traffic

Kiamichi River Bridge (Le Flore County, Oklahoma)
Built ca. 1940
Through truss bridge over Kiamichi River on 4044C. This appears to be a span from a Warren deck truss bridge, repurposed as a through truss. Very unusual design for a through truss.
Open to traffic

Kilmore Creek US 421 Bridge (Clinton County, Indiana)
Built 1940; rehabilitated 1985
Pony truss bridge over Kilmore Creek on US 421
Open to two-lane traffic

Kingfisher Creek Bridge (Kingfisher County, Oklahoma)
Built 1945
Pony truss bridge over Kingfisher Creek on N2820
Closed to all traffic

Kingwood Stockton Road Bridge(s) over Lockatong Creek (Hunterdon County, New Jersey)
Built 1940; rehabilitated 1983; Collapsed due to accident 2014
Pony truss bridge AND concrete arch span over Lockatong Creek on CR 519 in Kingtown
Collapsed due to accident, replaced

Kingwood-Locktown Road Bridge (Hunterdon County, New Jersey)
Built 1949; rehabilitated 2003
Pony truss bridge over Wickecheoke Creek on Kingwood-Locktown Road in Kingtown
Open to traffic

Kinley Creek Bridge (Pulaski County, Arkansas)
Bridge over Kinley Creek on Arkansas 10
Open to traffic

Kittatinny Mountain Tunnel (Franklin County, Pennsylvania)
Begun c.1885 by S. Penn. RR; first tube completed 1940 by Penna. Tpk. Comm; second tube completed 1968.
Tunnel on Pennsylvania Turnpike/I-76
Open to traffic

Klamath River Bridge (Humboldt County, California)
Built 1949
Deck truss bridge over Klamath River on CA 96
Open to traffic

Knoblick Creek Tributary Bridge (Webster County, Kentucky)
Concrete culvert bridge over Tributary of Knoblick Creek on KY-56
Open to traffic

Knoll Ridge Trail Bridge (Madison County, Iowa)
Built 1948
Through truss bridge over Middle River on Knoll Ridge Trail
Open to traffic

Kougarok River Bridge (Nome Census Area, Alaska)
Built or relocated 1941
Through truss bridge over Kougarok River on Nome-Taylor Road
Open to traffic

Kreamer Middle Creek Bridge (Snyder County, Pennsylvania)
Built 1949; rehabilitated 1987
Pony truss bridge over Middle Creek on US 522 in Kreamer
Open to traffic

KY 1 over Cane Creek (Greenup County, Kentucky)
Bridge
Open to traffic

KY 1 over Lost Creek (Greenup County, Kentucky)
Bridge
Open to traffic

KY 1 over Old Town Creek (Greenup County, Kentucky)
Bridge
Open to traffic

KY 2 over Buffalo Creek (Carter County, Kentucky)
Bridge
Open to traffic

KY 44 over Knob Creek (Bullitt County, Kentucky)
Bridge
Open to traffic

KY 59 over Grassy Branch (Lewis County, Kentucky)
Bridge
Open to traffic

KY 59 over Rose Creek (Lewis County, Kentucky)
Bridge
Open to traffic

KY 7 over Tygarts Creek (Greenup County, Kentucky)
Bridge
Open to traffic

KY-120 over Deer Creek (Webster County, Kentucky)
Concrete stringer bridge over Deer Creek on KY-120
Open to traffic

KY-335 over CSX Railroad (Hart County, Kentucky)
Built 1940
Concrete stringer bridge over CSX Railroad on KY-335
Open to traffic

KY-355 over Big Twin Creek (Owen County, Kentucky)
Built 1941
Concrete tee beam bridge over Big Twin Creek on KY-355
Open to traffic

KY-355 over Mill Creek (Owen County, Kentucky)
Built 1944
Concrete culvert bridge over Mill Creek on ky-355
Open to traffic

KY-554 over Brush Fork Creek (Daviess County, Kentucky)
Concrete culvert bridge over Brush Fork Creek on KY-554
Open to traffic

KY355 Severn Creek Bridge (Owen County, Kentucky)
Built 1942; Repaired 2018
Through truss bridge over Severn Creek on KY 355
Open to traffic

L. B. Hassler Bridge (Pickett County, Tennessee)
Built 1943, replaced 1996
Lost Parker through truss bridge over Obey River on Tenn SR 42
Replaced by new bridge

La Crosse Bridge (WB) (La Crosse County, Wisconsin)
Built 1940; rehabilitated 1983; Served westbound traffic only since the opening of the Eastbound Bridge in 2004
Through truss bridge over Mississippi River on US 14/US 61/WI 16 (Westbound)
Open to traffic

LA3156 Bayou Teche Bridge (Iberia Parish, Louisiana)
Built 1943
Swing bridge over Bayou Teche on LA 3156 in New Iberia
Replaced by a new bridge

LaBarque Creek Route F Bridge (Jefferson County, Missouri)
Built 1949
Lost pony truss bridge over LaBarque Creek on Route F
Replaced by modern bridge

Lacey V. Murrow Memorial Bridge (King County, Washington)
Built 1940; rehabilitated 1992
Steel through arch Potoon bridge over Lake Washington on EB I-90
Open to traffic

Lafayette Street Arch Bridge (Davidson County, Tennessee)
Built 1946
Concrete Arch bridge over Browns Creek on Lafayette Street (U.S. 41, 70-S) in Nashville
Open to traffic

Lafferty Ditch Bridge CR 750S (Clay County, Indiana)
Built 1940
Slab bridge over Lafferty Ditch on Cr 750s
Open to traffic

Lafountain Street Bridge (Howard County, Indiana)
Built ca. 1940; rehabilitated 1970
Concrete arch bridge over Kokomo Creek on Lafountain Street in Kokomo
Open to traffic

Lairds Creek Bridge (Morris County, Kansas)
Built ca. 1940
Pony truss bridge over Lairds Creek, 0.5 mi. south and 3.6 mi. east of Parkerville
Open to traffic

Lake Elizabeth Road Bridge (Los Angeles County, California)
Built 1946; replaced 2008
Lost pony truss bridge over Amargosa Creek on Elizabeth Lake Road in Palmdale
Replaced by culvert

Lake Lynn Road Bridge (Fayette County, Pennsylvania)
Built 1949
Concrete tee beam bridge over Grassy Run on Lake Lynn Road
Open to traffic

Lake Secession Dam (Abbeville County, South Carolina)
Bridge built on top of dam sometime after completion of dam and has since been abandoned.
Bridge over Rocky River/Lake Secession on Formerly S-1-72
Intact but closed to all traffic

Lake Wobegon Trail - Getchell Creek Bridge (Stearns County, Minnesota)
Various pieces assembled 1941 here
Deck plate girder bridge over Getchell Creek on Lake Wobegon Trail
Open to pedestrians only

Lake Worth Bridge (Palm Beach County, Florida)
Built 1946; rehabilitated 1988
Concrete tee beam bridge over Lake Worth on Island Road
Open to traffic

Lakewood Drive Bridge (Greene County, Indiana)
Built 1940
Timber stringer bridge over Indiana Railroad on CR 200 NORTH
Intact but closed to all traffic

Lamar Boulevard Bridge (Travis County, Texas)
Built 1943
Open Spandrel arch bridge over Colorado River on Loop 343 in Austin
Open to traffic

Lane Timber Bridge (Humboldt County, Iowa)
Built 1947
Steel stringer bridge over Indian Creek on 260th St.
Replaced by railcar pipe culverts

Lanes Fork CR 448 Bridge (Maries County, Missouri)
Built 1940 by the Works Progress Administration
Tee beam bridge over Lanes Fork on CR 448
Open to traffic

Las Flores Road Bridge (Los Angeles County, California)
Built 1942
Concrete beam bridge over Las Flores Creek on Las Flores Road in Los Angeles
open to traffic

Laurel Branch Bridge (Sevier County, Tennessee)
Built 1947
Arch bridge over Laurel Branch on Fighting Creek Gap
Open to traffic

Laurel Branch Bridge (Sevier County, Tennessee)
Built 1947
Arch bridge over Laurel Branch on Elkmont Road
Open to traffic

Laurel Creek Bridge (Barbour County, West Virginia)
Built 1940; rehabilitated 1971
Girder bridge over Laurel Creek on County Route 12/8
Open to traffic

Laurel Hill Tunnel (Westmoreland County, Pennsylvania)
Begun c.1885 by S. Pennsylvania RR; completed 1940 by Penna. Tpk. Comm.; bypassed and abandoned in 1964
Tunnel on Abandoned alignment of Pennsylvania Turnpike
Currently used to test racecar aerodynamics by Chip Ganassi Racing. Closed to the public.

Leaday Crossing (Coleman County, Texas)
Built 1941; Inundated ca. 1990
Bridge over Colorado River on Farm Road 2134
Inundated

Leak Ditch Bridge CR 650 N (Warren County, Indiana)
Built ca. 1940; Replaced 1988
Lost Other pony truss bridge over CR 650 N on Leak Ditch
Replaced by a new bridge

Lebanon Road Overpass (Lebanon County, Pennsylvania)
Built 1949 by the PTC
Pony/through girder bridge over PA Turnpike/I-76 on Lebanon Road in South Londonderry Township
Open to traffic

Ledges State Park Low Water Crossings #1-6 (Boone County, Iowa)
Built 1941
Slab bridge(s) on Canyon Road (250th Street)
Open to traffic

Lefleur Road Bridge (Sebastian County, Arkansas)
Built 1941 by the Works Progress Administration
Stringer bridge over Vache Grasse on Lefleur Road (CR 215)
Open to traffic

Left Fork Crooked Creek CR 47 Bridge (Pike County, Ohio)
Built 1940
Lost pony truss bridge over Left Fork Crooked Creek on CR 47
replaced by modern pony truss

Leo Kerner Bridge (Jefferson Parish, Louisiana)
Built 1948
Swing pony truss bridge over Bayou Barataria on LA 302 in Jean Lafitte
Open to traffic

Leon River Bridge (Comanche County, Texas)
Built 1940; rehabilitated 1995
Pony truss bridge over Leon River on CR 382
Open to traffic

Leon River CR 106 Bridge (Hamilton County, Texas)
Bypassed by new bridge.
Abandoned through truss bridge over Leon River on CR 106
Abandoned

Level B 320th Street Bridge (Cedar County, Iowa)
Built 1940
Steel stringer bridge over Small Stream on 320th Street (Level B Road: Enter at your own risk)
Open to traffic

Levi Branch Bridge (Pope County, Arkansas)
Built ca. 1940
Pony truss bridge over Levi Branch on CR 14 (Old AR 7)
Open to traffic

Lewis Creek Road Bridge (Monterey County, California)
Built 1947
Pony truss bridge over Lewis Creek on Lewis Creek Road
Open to traffic

Liberty Bayou Bridge (St. Tammany Parish, Louisiana)
Built in 1941; replaced 1980
Concrete stringer wooden bridge over Liberty Bayou on Louisiana Route 433
Replaced by a new bridge

Liberty Bridge (Jackson County, Missouri)
Northbound bridge built 1949 and rehabilitated 1986; southbound bridge built 1996
Pair of through truss bridges over Missouri River on MO 291 south of Liberty
Northbound bridge re-opened to traffic July 30, 2015

Licking River Bridge (Mason County, Kentucky)
Built in 1947 to replace a covered bridge
Pony truss bridge over Licking River on Dixon Pike
Open to traffic

Limberlost Creek CR 500N Bridge (Jay County, Indiana)
Built ca. 1928; rehabilitated 1968
Pony truss bridge over Limberlost Creek on CR 500 North
Removed and replaced

Limberlost Creek CR 850E Bridge (Jay County, Indiana)
Built ca. 1940; replaced 2012
Lost concrete arch bridge over Limberlost Creek on County Road 850 East
Replaced by a new bridge

Limestone Creek Bridge (Limestone County, Alabama)
Built 1948
Pony truss bridge over Limestone Creek on Boseck Road
Open to traffic

Lincoln Park Passerelle (Cook County, Illinois)
Built 1940; reinforcing cross-bracing added 1991.
Through arch bridge over N Lake Shore Dr in Chicago
Open to pedestrians

Lindbergh Boulevard Bridge (St. Louis County, Missouri)
Built 1940; rehabilitated 1985; Replaced 2008
Lost Concrete rigid frame bridge over US 67 (Lindbergh Boulevard) on I-64/ US 40
Replaced by new bridge

Linville River Bridge (Avery County, North Carolina)
Built 1940
Concrete arch bridge over Linville River on Blue Ridge Parkway
Open to traffic

Lisbon Street Bridge (Columbiana County, Ohio)
Built 1940
Closed-spandrel arch bridge over Little Yellow Creek on Wells Avenue (Old OH 7) in Wellsville
Open to traffic

Little Androscoggin River Bridge (Androscoggin County, Maine)
Built 1948; rehabilitated 1991
Girder bridge over Little Androscoggin Ri on Route 136
Open to traffic

Little Androscoggin River Bridge (Androscoggin County, Maine)
Built 1949; rehabilitated 1984
Slab bridge over Little Androscoggin River on Routes 11 & 121
Open to traffic

Little Bayou Pierre Bridge (Claiborne County, Mississippi)
Built 1947
Steel stringer bridge over Little Bayou Pierre on US 61 in Port Gibson
Open to traffic

Little Blue River Highway 71 Bridge (Jackson County, Missouri)
Built 1945 for US 71
Lost concrete tee beam bridge over Little Blue River on Frontage Road (Old US 71) in Grandview
Replaced by a new bridge

Little Creek AR 164 Bridge (Pope County, Arkansas)
Built 1946, replaced 2012
Wooden bridge over Little Creek on AR 164
Replaced by a new bridge

Little Creek Bridge (Searcy County, Arkansas)
Built 1940 by the Works Progress Administration
Concrete slab bridge over Little Creek on CR 55-A
Open to traffic

Little Crooked Creek Bridge (Jefferson County, Indiana)
Built 1947; rehabilitated 2000
Concrete arch bridge over Little Crooked Creek on Park Road in Madison
Open to traffic

Little Cypress Creek Bridge (Phillips County, Arkansas)
Built 1942; rehabilitated 1977; replaced 2005
Lost aluminum stringer bridge over Little Cypress Creek on CR 66
No longer exists

Little Deer Creek Valley Road Bridge (Allegheny County, Pennsylvania)
Built 1940
Concrete rigid frame bridge over Little Deer Creek on Little Deer Creek Valley Road
Open to traffic

Little Dog Creek Bridge (Rogers County, Oklahoma)
Built ca. 1940
Pony truss bridge over Little Dog Creek on 6622C
Replaced by a new bridge

Little Frog Bayou Bridge (Crawford County, Arkansas)
Built circa 1940
Steel stringer bridge over Little Frog Bayou on CR 63
Open to traffic

Little Harbor Bridge (Rockingham County, New Hampshire)
Built 1942; rehabilitated 1975
Bascule bridge over Little Harbor on NH 1B in New Castle
Open to traffic

Little Laurel River Bridge (Laurel County, Kentucky)
Built 1941
Concrete tee beam bridge over Little Laurel River on US 25
Open to traffic

Little Laurel Road Blue Ridge Parkway Bridge (Watauga County, North Carolina)
Built 1941
Concrete rigid frame bridge over Little Laurel Rd on Blue Ridge Parkway
Open to traffic

Little Maumelle River Bridge (Pulaski County, Arkansas)
Built 1948
Steel stringer bridge over Little Maumelle River on Sh 10 Log 16.24
Open to traffic

Little Mill Creek IN 17 Bridge (Fulton County, Indiana)
Built ca. 1940
Concrete arch bridge over Little Mill Creek on IN 17
Open to traffic

Little Missouri River Bridge (Pike County, Arkansas)
Built 1949
Steel stringer bridge over Little Missouri River on US 70
Open to traffic

Little Muddy River Bridge (Washington County, Illinois)
Built 1948; rehabilitated 1963. Replaced Summer 2010.
Steel stringer bridge over Little Muddy River on Du Bois-Waltonville Road (CH 8 /Fas 836)
Bridge demolished July 2010. Replacement open to traffic

Little Mulberry Creek Bridge (Crawford County, Arkansas)
Built 1940 by the Works Progress Administration
Stringer bridge over Little Mulberry Creek on Old Turner Road (CR 40)
Open to traffic

Little Mulberry Creek Bridge (Crawford County, Arkansas)
Built 1940
Steel stringer bridge over Little Mulberry Creek on CR 44 (West Graphic Rd)
Open to traffic

Little Pine Creek Bridge (Sequoyah County, Oklahoma)
Built 1941
Arch bridge over Little Pine Creek on E1020 Rd. in Pinhook Corners
Open to traffic

Little Polecat Creek Bridge (Creek County, Oklahoma)
Built 1942
Pony truss bridge over Little Polecat Creek on 161st St. S. (E0750) in Kellyville
Open to traffic

Little Powder River Bridge (Powder River County, Montana)
Built 1947
Through truss bridge over Little Powder River on MT 398
Open to traffic

Little Red River Relief Bridge (White County, Arkansas)
Built 1948
Steel stringer bridge over Little Red River Relief on SH 367 (old US 67)
Open to traffic

Little Richland Creek-30 Bridge (Rhea County, Tennessee)
Bridge over Little Richland Creek on KY Hwy 30
Open to traffic

Little River Bridge (Hughes County, Oklahoma)
Built 1949
Through truss bridge over Little River on 3218C
Open to traffic

Little Sioux River Bridge (Buena Vista County, Iowa)
Built 1940
Haunched deck plate girder bridge over Little Sioux River on Weaver Street
Open to traffic